Home / 283,045,398.84-424,570,461.30-78,589,418.04

Finding the Fourth Proportional to 283,045,398.84, 424,570,461.30 and 78,589,418.04

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Solution

The fourth proportional to 283,045,398.84, 424,570,461.30 and 78,589,418.04 is: 117,884,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,045,398.84 : 424,570,461.30 = 78,589,418.04 : x
  2. Step 2: Convert to fraction form
    283,045,398.84/424,570,461.30 = 78,589,418.04/x
  3. Step 3: Cross multiply
    283,045,398.84x = 424,570,461.30 × 78,589,418.04
  4. Step 4: Simplify right side
    283,045,398.84x = 33,366,745,470,541,344
  5. Step 5: Solve for x
    x = 33,366,745,470,541,344/283,045,398.84
  6. Step 6: Final answer
    x = 117,884,783.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.